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379-4739 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD PART OF 379-4726 DRAIN GP-OIL AN ATTACHMENT 303.5E2 CR


HYDRAULIC SYSTEM
TANK GP
DRIVE GP
FILTER GP
TANK GP
HYDRAULIC GP
LINES GP-AUXILIARY
LINES GP-BOOM
LINES GP-STICK

MINI HYD EXCAVATOR 303.5E2 CR MINI HYD EXCAVATOR BG8
 303.5E 2CR Mini Hydraulic Excavator BG800001-UP (MACHINE) POWERED BY C1.7 Engine SEBP6880 303.5E2 CR BG8   (2014)

HYDRAULIC SYSTEM

TANK GP
379-4726 DRAIN GP-OIL
379-4727 DRAIN GP-OIL
DRAIN GP-OIL
379-4739 DRAIN GP-OIL
DRAIN GP-OIL
379-4740 DRAIN GP-OIL
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
TANK & FILTER GP-HYDRAULIC
425-5617 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
425-5616 TANK & MTG GP-HYDRAULIC
 

#SEBP68800200
 

379-4739: DRAIN GP-OIL

379-4739 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
PART OF 379-4726 DRAIN GP-OIL
AN ATTACHMENT
i05879785 SEBP6880
3794739 DRAIN GP-OIL Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
2. 194-2903 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  8T-0119 [1] ELBOW  
 

#SEBP68800201
 

379-4740: DRAIN GP-OIL

379-4740 DRAIN GP-OIL -ECOLOGY, HYDRAULIC TANK
PART OF 379-4727 DRAIN GP-OIL
AN ATTACHMENT
i05879793 SEBP6880
3794740 DRAIN GP-OIL Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 165-2273 [1] VALVE AS-SHUTOFF (DRAIN, HYDRAULIC OIL)  
  3K-0360 [1] SEAL-O-RING  
  6V-7238 [1] VALVE-SHUTOFF  
 

#SEBP68800202
 

266-6396: DRIVE GP-SWING

266-6396 DRIVE GP-SWING
PART OF 265-8752 MOTOR & MTG GP-SWING
ALSO AN ATTACHMENT
i05901704 SEBP6880
2666396 DRIVE GP-SWING Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-2355 Y [1] PLANETARY GP-SWING DRIVE  
2. 281-3052 Y [1] MOTOR GP-SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68800203
 

421-5424: FILTER GP-OIL

421-5424 FILTER GP-OIL -HYDRAULIC
PART OF 399-6788, 399-6790 LINES GP-RETURN
AN ATTACHMENT
i05767753 SEBP6880
4215424 FILTER GP-OIL Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8716 [3] CONNECTOR (STRAIGHT)  
2. 7M-8485 [3] SEAL-O-RING  
3. 6V-9746 [3] SEAL-O-RING  
4. 421-5482 [1] HOUSING AS  
4A. 421-5481 [1] FILTER ELEMENT AS-OIL  
  4F-4097 [2] SEAL-O-RING  
  9T-6322 [1] PLUG AS  
  8C-3082 [2] SEAL-O-RING  
  8C-3082 [1] SEAL-O-RING  
 

#SEBP68800204
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 425-5617 TANK & FILTER GP-HYDRAULIC
ALSO AN ATTACHMENT
i04063935 SEBP6880
3476081 GAUGE GP-SIGHT Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 236-3257 [1] PIPE  
2. 236-3259 M [2] BOLT-SPECIAL  
3. 347-6082 [2] BLOCK  
4. 6F-4855 [4] SEAL-O-RING  
5. 6F-6672 [4] SEAL-O-RING  
  M   METRIC PART
 

#SEBP68800205
 

397-7016: HYDRAULIC AR

397-7016 HYDRAULIC AR
PART OF 397-7001 COMMON AR
ALSO AN ATTACHMENT
i05843805 SEBP6880
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  430-3214 Y [1] ACCUMULATOR & MTG GP-HYDRAULIC  
  399-6782 Y [1] LINES GP-FRONT  
  452-5539 Y [1] LINES GP-HYDRAULIC PUMP  
  399-6783 Y [1] LINES GP-PILOT  
  452-5540 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  425-5616 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68800206
 

465-1485: KIT-AUXILIARY HYDRAULIC RELIEF

465-1485 KIT-AUXILIARY HYDRAULIC RELIEF
FIELD INSTALLATION
i06563171 SEBP6880
4651485 KIT-AUXILIARY HYDRAULIC RELIEF Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 449-1650 [1] VALVE GP-MANIFOLD & RELIEF (AUXILIARY)(AUXILIARY)  
  456-1756 J [2] VALVE AS-RELIEF  
2. 465-1487 [1] PLATE AS  
  8T-3612 M [2] NUT-WELD (M8X1.25-THD)  
3. 124-2117 [1] COUPLING  
4. 124-2118 [1] COUPLING-PERMANENT  
5. 124-2120 [1] COUPLING-PERMANENT  
6. 124-2151 [1] COUPLING-PERMANENT  
7. 124-2163 [2] COUPLING-PERMANENT  
8. 2M-9780 [2] SEAL-O-RING  
9. 353-7953 [1] GROMMET (19-MM ID)  
10. 3D-2824 [1] SEAL-O-RING  
11. 6V-8398 [2] SEAL-O-RING  
12. 6V-8626 [1] ELBOW  
13. 6V-8642 [1] CONNECTOR  
14. 6V-8777 [1] TEE-FACE SEAL  
15. 6V-9746 [3] SEAL-O-RING  
16. 6V-9837 [1] TEE-SWIVEL  
17. 6V-9838 [1] TEE-SWIVEL  
18. 6V-9853 [1] ELBOW  
19. 7J-9108 [4] SEAL-O-RING  
20. 8T-1895 [1] CLIP (SLOT)  
21. 8T-1896 [1] CLIP (TAB)  
22. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
23. 8T-4133 M [1] NUT (M10X1.5-THD)  
24. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
25. 8T-4196 M [1] BOLT (M10X1.5X35-MM)  
26. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
27. 8T-6870 M [2] BOLT (M8X1.25X70-MM)  
   
    AVAILABLE REPAIR KIT(S):
  333-9152 J [1] KIT-SEAL  
    (INCLUDES BACK-UP RING & O-RING SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP68800207
 

397-7081: LINES AR-BOOM

397-7081 LINES AR-BOOM
PART OF 436-7901, 436-7902, 436-7903, 436-7906 DISTRIBUTION AR
AN ATTACHMENT
i05867023 SEBP6880
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  397-6967 Y [1] CYLINDER GP-BOOM  
  399-6794 Y [1] LINES GP-FRONT (BOOM CYLINDER)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68800208
 

397-7082: LINES AR-BOOM

397-7082 LINES AR-BOOM
PART OF 436-7904, 436-7907, 436-7908, 436-7909 DISTRIBUTION AR
AN ATTACHMENT
i05867022 SEBP6880
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  397-6971 Y [1] CYLINDER GP-BOOM  
  Y [1] FILM GP (OVERLOAD WARNING)  
  399-6795 Y [1] LINES GP-BOOM CHECK VALVE  
  442-7835 Y [1] WIRING GP-OVERLOAD WARNING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68800209
 

397-7061: LINES AR-STICK

397-7061 LINES AR-STICK
PART OF 436-7901, 436-7902, 436-7903, 436-7906 DISTRIBUTION AR
AN ATTACHMENT
i05867025 SEBP6880
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  397-6983 Y [1] CYLINDER GP-STICK  
  399-6796 Y [1] LINES GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Hydraulic System Oil Level - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators
Hydraulic System Oil - Change
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators
Hydraulic Tank Screen - Clean
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators
Specifications
Hydraulic Tank and Filter
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Hydraulic Tank and Filter
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Contamination Control Guidelines
Procedure for Filtering <NOBR> 9U-5000</NOBR> Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Bench Test Procedures
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Disassembly and Assembly
Hydraulic Tank - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Service Magazine
A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Caterpillar Parts SIS Catalog 303.5E2 CR :

379-4727 DRAIN GP-OIL
379-4726 DRAIN GP-OIL
CYLINDER GP-TILT
246-0192 CYLINDER GP-TILT
CYLINDER GP-SWING BOOM
397-6975 CYLINDER GP-SWING BOOM
CYLINDER GP-STICK
397-6983 CYLINDER GP-STICK
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
268-8224 CYLINDER GP-HYDRAULIC
CYLINDER GP-BUCKET
397-6978 CYLINDER GP-BUCKET
DRAIN GP-OIL
379-4740 DRAIN GP-OIL
DRIVE GP-SWING
266-6396 DRIVE GP-SWING
FILTER GP-OIL
421-5424 FILTER GP-OIL
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
397-7016 HYDRAULIC AR
KIT-AUXILIARY HYDRAULIC RELIEF
465-1485 KIT-AUXILIARY HYDRAULIC RELIEF
397-7081 LINES AR-BOOM
397-7082 LINES AR-BOOM
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